%I #13 May 20 2021 00:23:18

%S 0,1,1,1,1,2,1,2,2,2,2,3,2,3,3,3,3,4,3,4

%N Number of ferrites M_2Y_n that repeat after 6n+10 layers.

%H T. J. McLarnan, <a href="https://dx.doi.org/10.1524/zkri.1981.155.14.269">The numbers of polytypes in close-packings and related structures</a>, Zeits. Krist. 155, 269-291 (1981)

%K nonn,more

%O 1,6

%A _N. J. A. Sloane_